Dalfampridine for Imbalance in Multiple Sclerosis

Completed · Phase 2 · Has a placebo group

Conditions studied: Multiple Sclerosis, Fatigue

In brief

Dalfampridine is a new medication that was FDA approved in 2010 to improve walking speed in people with Multiple Sclerosis (MS). People with MS walk slowly in part because MS damages the myelin insulation around nerves which slows conduction of messages from the brain to the leg muscles. Dalfampridine works by improving conduction in nerves with damaged myelin. Recent research indicates that imbalance in MS is in large part caused by poor conduction by the nerves that transmit information about the position of the legs to the brain. It is therefore likely that, by improving nerve conduction, dalfampridine will also improve imbalance in people with MS. Dalfampridine will be administered in this study by the same route (oral), dosage (10mg), and frequency (every 12 hours) approved by the FDA to improve walking speed in people with MS. The proposed pilot study will examine the effects of dalfampridine on imbalance in 24 subjects with Multiple Sclerosis (MS) and imbalance. This small pilot study will help to show if dalfampridine improves imbalance in MS and will guide the design and implementation of a larger full scale study to definitively determine if dalfampridine improves balance and prevents falls in people with MS.

Key facts

Study ID

NCT01444300

Run by

Oregon Health and Science University

People needed

24

Starts

2011-09-01

Expected to finish

2013-09-01

Last updated by the study team

2014-06-16

Who can join

Age: 20 and older, up to 59. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 20- 59 years,
• Able to walk at least 100m without an aide or with unilateral assistance
• Prolonged APR latencies (≥ 1SD > mean for healthy people in this age range) OR,
• Reduced balance-related activity (ABC scores ≤ 85%),
• Abnormal trunk range of motion (horizontal), trunk range of motion (frontal), turning duration, cadence, double support time, stride length or gait cycle time (outside 1SD of the average for healthy people in this age range)

You may not qualify if…

• Currently taking dalfampridine (any within the last 2 weeks),
• Cause(s) of imbalance other than MS,
• Impaired renal function (creatinine clearance ≤50mL/min),
• Seizure disorder
• Pregnancy or breast feeding

Where it is running

• Oregon Health and Science University — Portland, Oregon, United States

Full record on ClinicalTrials.gov

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